import type fs from 'node:fs'
import os from 'node:os'
import url from 'node:url'
import path from 'node:path'
import { describe, it, vi, expect, beforeAll, afterAll } from 'vitest'
import { resolve } from 'import-meta-resolve'
import { getTemplate, userfriendlyImport, getErrorTemplate, getFilesFromDirectory } from '../../src/vite/utils.js'
const __dirname = url.fileURLToPath(new URL('.', import.meta.url))
vi.mock('node:fs/promises', async (orig) => {
const { readdir, stat, access } = await orig() as typeof fs
return {
default: {
readFile: vi.fn().mockResolvedValue('some code'),
readdir, stat, access
}
}
})
vi.mock('import-meta-resolve', () => ({
resolve: vi.fn()
}))
vi.mock('fakeDep', () => ({
default: 'I am fake'
}))
const join = vi.spyOn(path, 'join')
beforeAll(() => {
join.mockImplementation((...args) => `/foo/bar/${args[args.length - 1]}`)
})
afterAll(() => {
join.mockRestore()
})
if (os.platform() !== 'win32') {
describe('getTemplate', () => {
it('renders template correctly', async () => {
vi.mocked(resolve).mockResolvedValue('file:///foo/bar/vue')
* ensure we have CI env set so local and CI test pass
*/
if (!process.env.CI) {
process.env.CI = '1'
}
const p: any = { env: { some: 'env' }, cwd: () => '/some/cwd' }
expect(await getTemplate({ preset: 'lit' }, { config: {} } as any, '/spec.js', p)).toMatchSnapshot()
})
})
}
describe('userfriendlyImport', () => {
it('returns nothing if pkg is empty', async () => {
expect(await userfriendlyImport('lit')).toEqual({})
})
it('returns correct package', async () => {
expect((await userfriendlyImport('lit', 'fakeDep')).default).toEqual('I am fake')
})
it('throws if pkg is not installed', async () => {
await expect(userfriendlyImport('lit', 'foobar')).rejects.toThrow(/Couldn't load preset/)
})
})
describe('getErrorTemplate', () => {
it('returns correct template', () => {
expect(getErrorTemplate('/foobar', new Error('ups'))).toContain('<pre>Error: ups')
})
})
describe('getFilesFromDirectory', () => {
it('does not fail if directory does not exist', async () => {
expect(await getFilesFromDirectory('./foo/bar')).toEqual([])
})
it('returns all files and subfiles', async () => {
join.mockRestore()
const files = await getFilesFromDirectory(path.join(__dirname, '..', '__fixtures__', '__mocks__'))
expect(files.map((f) => path.basename(f))).toEqual(['otherModule.js', 'someModule.ts'])
})
})
